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Academic literature on the topic 'Eau – Réfrigération'
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Journal articles on the topic "Eau – Réfrigération"
LEVEQUE, P., K. BERTHO, C. BARTOU, D. JOST, J. P. TOURTIER, and L. DOMANSKI. "Syndrome malin des neuroleptiques en pré-hospitalier : à propos d’un cas." Revue Médecine et Armées, Volume 42, Numéro 1 (February 1, 2014): 47–50. http://dx.doi.org/10.17184/eac.6975.
Full textRabhi, Kamel, Ali Chaouki, and Habib Ben Bacha. "Simulation en régime dynamique d’un système de réfrigération solaire à adsorption." Journal of Renewable Energies 17, no. 4 (October 19, 2023). http://dx.doi.org/10.54966/jreen.v17i4.467.
Full textDissertations / Theses on the topic "Eau – Réfrigération"
Ben, Brahim Ammar. "Contribution à l'étude des cycles à absorption : performances du mélange eau-chlorure de lithium-chlorure de calcium et d'un absorbeur composite pulvérisation-ruissellement." Toulouse, INPT, 1988. http://www.theses.fr/1988INPT003G.
Full textLe, Lostec Brice. "Récupération des rejets thermiques pour la production de chaleur et de froid avec une machine à absorption." Thèse, Université de Sherbrooke, 2010. http://savoirs.usherbrooke.ca/handle/11143/1920.
Full textLaouir, Ahmed. "Amélioration des performances des pompes à chaleur à absorption étagement des cycles à ammoniac-eau : modelisation et expérimentation." Vandoeuvre-les-Nancy, INPL, 1999. http://www.theses.fr/1999INPL036N.
Full textLoeb, Romain. "Modélisation et analyse d'une machine à absorption/compression hybride fonctionnant à partir de rejets thermiques basse température." Mémoire, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/9485.
Full textHuang, Xiaoqian. "Purification de l’eau usée par congélation sur paroi : modélisation par la méthode du champ de phase." Electronic Thesis or Diss., Lyon 1, 2024. http://www.theses.fr/2024LYO10205.
Full textThis work focuses on studying a wastewater purification process by freezing on a cold wall. Several studies show that the growth of the ice layer depends on the characteristics of the liquid phase (solute concentration, liquid temperature, etc.) and the experimental conditions (cooling rate, seeding, supercooling, and liquid phase circulation, etc.). However, the solute distribution in the solid phase, a crucial factor for improving the process performance, has been the focus of few studies. Therefore, precise and rigorous control of the process is necessary to achieve well-controlled ice purity. To achieve this goal, this thesis includes an experimental part and a modeling part. In the experimental part, the H2O-NaCl mixture was chosen as the model solution. An experimental setup for crystallization on a cold wall was specifically designed for this work. The setup is equipped with temperature and thermal conductivity sensors, and a camera is used to monitor the in-situ growth of ice during the manipulations. After a bibliographical study on the principle of crystallization and the implementation of the process, a series of manipulations for a parametric study was carried out. Dendritic growth was observed with a high growth rate. This phenomenon depends on the effect of convection, supercooling, the temperature gradient in the liquid phase, and the initial concentration of the solution to be purified. For the modeling part, the phase-field method was chosen. This method allows simulating the morphology and growth kinetics of the solid, the inclusion of liquid (pockets and interstices) in the solid, as well as the liquid phase. The simulations help better understand the phenomena occurring during crystallization, such as the incorporation of impurities into the ice. This method, rarely used in chemical engineering, was first applied to the freezing of a pure substance (water/ice) to understand the equations and study the model's parameters. This model was then extended to the freezing of a binary mixture (H2O-NaCl), corresponding to the product chosen for the experiment. To asses the thermodynamic consistency of this method, the Pitzer model was chosen to predict equilibrium and thermodynamic properties. Based on this thermodynamic data, the mass balance, thermal balance, and phase-field equations are solved. The effects of supercooling, concentration, and anisotropy on the dendritic growth of crystals are compared and discussed. This innovative work has demonstrated the relevance of the phase-field method, which has been little developed in chemical engineering until now. This method allows describing the phenomena occurring at the liquid/solid interface, predicting the behavior of the solid phase to limit the incorporation of solute into the ice, and more generally, understanding the phenomena involved during the crystallization step
Nanakassé, Sidiki. "Sur l'utilisation du gel de silice dans des machines frigorifiques à affinité : adsorption de l'eau et du méthanol." Dijon, 1986. http://www.theses.fr/1986DIJOS070.
Full textByrne, Paul. "Etude expérimentale et numérique d'une thermofrigopompe de petite à moyenne puissance à équilibrage sur air." Phd thesis, INSA de Rennes, 2009. http://tel.archives-ouvertes.fr/tel-00702941.
Full textDiaby, Ahmadou Tidiane. "Étude expérimentale et simulée d'une installation de thermofrigopompe pour la production de froid et le dessalement." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S156/document.
Full textA heat pump or a refrigerating device produces simultaneously cooling and heating energies. The objective of this research is to develop the concept of heat pump for simultaneous cooling and desalination. Desalination is carried out by recovering the heat rejected by the condenser of the machine. The desalination technique, chosen thanks to the literature review, is AGMD (air gap membrane distillation) because of the compatibility of operating temperatures with the condensing temperature of standard heat pumps. AGMD was characterized using a pilot for different conditions of temperature, flow rate, air gap thickness and solution compositions. A long term study associated to scanning electron microscope images enabled to evaluate the fouling level of the membrane. A numerical model was then developed using the first experimental results. Simulations have revealed patterns of behaviour for a coupled heat pump and AGMD machine. Finally, a prototype was built with a small refrigerator and an AGMD cell manufactured by 3D printing. Experimental measurements were used to validate the concept of heat pump for simultaneous cooling and desalination and to obtain promising performance results. The valorization of the heat lost by refrigeration equipment for desalination seems therefore an interesting solution to overcome the lack of fresh water that can occur in many regions of the planet